Home / 58,710.34-81,020.45-31,853.07

Finding the Fourth Proportional to 58,710.34, 81,020.45 and 31,853.07

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Solution

The fourth proportional to 58,710.34, 81,020.45 and 31,853.07 is: 43,957.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,710.34 : 81,020.45 = 31,853.07 : x
  2. Step 2: Convert to fraction form
    58,710.34/81,020.45 = 31,853.07/x
  3. Step 3: Cross multiply
    58,710.34x = 81,020.45 × 31,853.07
  4. Step 4: Simplify right side
    58,710.34x = 2,580,750,144.91
  5. Step 5: Solve for x
    x = 2,580,750,144.91/58,710.34
  6. Step 6: Final answer
    x = 43,957.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.